| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.alibaba.dubbo.rpc.protocol.dubbo.telnet; |
| |
| import com.alibaba.dubbo.common.extension.Activate; |
| import com.alibaba.dubbo.common.utils.ReflectUtils; |
| import com.alibaba.dubbo.remoting.Channel; |
| import com.alibaba.dubbo.remoting.telnet.TelnetHandler; |
| import com.alibaba.dubbo.remoting.telnet.support.Help; |
| import com.alibaba.dubbo.rpc.Exporter; |
| import com.alibaba.dubbo.rpc.Invoker; |
| import com.alibaba.dubbo.rpc.protocol.dubbo.DubboProtocol; |
| |
| import java.lang.reflect.Method; |
| |
| /** |
| * ListTelnetHandler |
| */ |
| @Activate |
| @Help(parameter = "[-l] [service]", summary = "List services and methods.", detail = "List services and methods.") |
| public class ListTelnetHandler implements TelnetHandler { |
| |
| @Override |
| public String telnet(Channel channel, String message) { |
| StringBuilder buf = new StringBuilder(); |
| String service = null; |
| boolean detail = false; |
| if (message.length() > 0) { |
| String[] parts = message.split("\\s+"); |
| for (String part : parts) { |
| if ("-l".equals(part)) { |
| detail = true; |
| } else { |
| if (service != null && service.length() > 0) { |
| return "Invaild parameter " + part; |
| } |
| service = part; |
| } |
| } |
| } else { |
| service = (String) channel.getAttribute(ChangeTelnetHandler.SERVICE_KEY); |
| if (service != null && service.length() > 0) { |
| buf.append("Use default service " + service + ".\r\n"); |
| } |
| } |
| if (service == null || service.length() == 0) { |
| for (Exporter<?> exporter : DubboProtocol.getDubboProtocol().getExporters()) { |
| if (buf.length() > 0) { |
| buf.append("\r\n"); |
| } |
| buf.append(exporter.getInvoker().getInterface().getName()); |
| if (detail) { |
| buf.append(" -> "); |
| buf.append(exporter.getInvoker().getUrl()); |
| } |
| } |
| } else { |
| Invoker<?> invoker = null; |
| for (Exporter<?> exporter : DubboProtocol.getDubboProtocol().getExporters()) { |
| if (service.equals(exporter.getInvoker().getInterface().getSimpleName()) |
| || service.equals(exporter.getInvoker().getInterface().getName()) |
| || service.equals(exporter.getInvoker().getUrl().getPath())) { |
| invoker = exporter.getInvoker(); |
| break; |
| } |
| } |
| if (invoker != null) { |
| Method[] methods = invoker.getInterface().getMethods(); |
| for (Method method : methods) { |
| if (buf.length() > 0) { |
| buf.append("\r\n"); |
| } |
| if (detail) { |
| buf.append(ReflectUtils.getName(method)); |
| } else { |
| buf.append(method.getName()); |
| } |
| } |
| } else { |
| buf.append("No such service " + service); |
| } |
| } |
| return buf.toString(); |
| } |
| |
| } |